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-rw-r--r--ChangeLog5
-rw-r--r--awkgram.c7
-rw-r--r--awkgram.y7
-rw-r--r--test/ChangeLog5
-rw-r--r--test/Makefile.am3
-rw-r--r--test/Makefile.in8
-rw-r--r--test/Maketests5
-rw-r--r--test/badassign1.awk1
-rw-r--r--test/badassign1.ok3
9 files changed, 42 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index aed63452..2eaa9c70 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-10-09 Arnold D. Robbins <arnold@skeeve.com>
+
+ * awkgram.y (mk_assignment): Rework switch to handle Op_assign,
+ and to provide a better error message upon unknown opcode.
+
2013-09-28 Arnold D. Robbins <arnold@skeeve.com>
* dfa.c: Sync with GNU grep.
diff --git a/awkgram.c b/awkgram.c
index 947f4a30..1ca2791a 100644
--- a/awkgram.c
+++ b/awkgram.c
@@ -7576,8 +7576,13 @@ mk_assignment(INSTRUCTION *lhs, INSTRUCTION *rhs, INSTRUCTION *op)
case Op_push_array:
tp->opcode = Op_push_lhs;
break;
+ case Op_field_assign:
+ yyerror(_("cannot assign a value to the result of a field post-increment expression"));
+ break;
default:
- cant_happen();
+ yyerror(_("invalid target of assignment (opcode %s)"),
+ opcode2str(tp->opcode));
+ break;
}
tp->do_reference = (op->opcode != Op_assign); /* check for uninitialized reference */
diff --git a/awkgram.y b/awkgram.y
index f0ff4f0c..6f1cc299 100644
--- a/awkgram.y
+++ b/awkgram.y
@@ -5028,8 +5028,13 @@ mk_assignment(INSTRUCTION *lhs, INSTRUCTION *rhs, INSTRUCTION *op)
case Op_push_array:
tp->opcode = Op_push_lhs;
break;
+ case Op_field_assign:
+ yyerror(_("cannot assign a value to the result of a field post-increment expression"));
+ break;
default:
- cant_happen();
+ yyerror(_("invalid target of assignment (opcode %s)"),
+ opcode2str(tp->opcode));
+ break;
}
tp->do_reference = (op->opcode != Op_assign); /* check for uninitialized reference */
diff --git a/test/ChangeLog b/test/ChangeLog
index ad0366f2..c835eb01 100644
--- a/test/ChangeLog
+++ b/test/ChangeLog
@@ -1,3 +1,8 @@
+2013-10-09 Arnold D. Robbins <arnold@skeeve.com>
+
+ * Makefile.am (badassign1): New test.
+ * badassign1.awk, badassign1.ok: New files.
+
2013-09-13 Arnold D. Robbins <arnold@skeeve.com>
* Makefile.am: Fix quoting for generation of Maketests file so
diff --git a/test/Makefile.am b/test/Makefile.am
index 8288cf7d..b3a9a58f 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -113,6 +113,8 @@ EXTRA_DIST = \
backw.in \
backw.ok \
badargs.ok \
+ badassign1.awk \
+ badassign1.ok \
beginfile1.awk \
beginfile1.ok \
beginfile2.in \
@@ -931,6 +933,7 @@ BASIC_TESTS = \
arynocls aryprm1 aryprm2 aryprm3 aryprm4 aryprm5 aryprm6 aryprm7 \
aryprm8 arysubnm asgext awkpath \
back89 backgsub \
+ badassign1 \
childin clobber closebad clsflnam compare compare2 concat1 concat2 \
concat3 concat4 convfmt \
datanonl defref delargv delarpm2 delarprm delfunc dfamb1 dfastress dynlj \
diff --git a/test/Makefile.in b/test/Makefile.in
index 31a22602..637bad0d 100644
--- a/test/Makefile.in
+++ b/test/Makefile.in
@@ -331,6 +331,8 @@ EXTRA_DIST = \
backw.in \
backw.ok \
badargs.ok \
+ badassign1.awk \
+ badassign1.ok \
beginfile1.awk \
beginfile1.ok \
beginfile2.in \
@@ -1148,6 +1150,7 @@ BASIC_TESTS = \
arynocls aryprm1 aryprm2 aryprm3 aryprm4 aryprm5 aryprm6 aryprm7 \
aryprm8 arysubnm asgext awkpath \
back89 backgsub \
+ badassign1 \
childin clobber closebad clsflnam compare compare2 concat1 concat2 \
concat3 concat4 convfmt \
datanonl defref delargv delarpm2 delarprm delfunc dfamb1 dfastress dynlj \
@@ -2373,6 +2376,11 @@ backgsub:
@AWKPATH="$(srcdir)" $(AWK) -f $@.awk < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
@-$(CMP) "$(srcdir)"/$@.ok _$@ && rm -f _$@
+badassign1:
+ @echo $@
+ @AWKPATH="$(srcdir)" $(AWK) -f $@.awk >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
+ @-$(CMP) "$(srcdir)"/$@.ok _$@ && rm -f _$@
+
childin:
@echo $@
@AWKPATH="$(srcdir)" $(AWK) -f $@.awk < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
diff --git a/test/Maketests b/test/Maketests
index a1791a92..df272ce8 100644
--- a/test/Maketests
+++ b/test/Maketests
@@ -120,6 +120,11 @@ backgsub:
@AWKPATH="$(srcdir)" $(AWK) -f $@.awk < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
@-$(CMP) "$(srcdir)"/$@.ok _$@ && rm -f _$@
+badassign1:
+ @echo $@
+ @AWKPATH="$(srcdir)" $(AWK) -f $@.awk >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
+ @-$(CMP) "$(srcdir)"/$@.ok _$@ && rm -f _$@
+
childin:
@echo $@
@AWKPATH="$(srcdir)" $(AWK) -f $@.awk < "$(srcdir)"/$@.in >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
diff --git a/test/badassign1.awk b/test/badassign1.awk
new file mode 100644
index 00000000..5614f4a4
--- /dev/null
+++ b/test/badassign1.awk
@@ -0,0 +1 @@
+BEGIN { $i++ = 3 ; print i }
diff --git a/test/badassign1.ok b/test/badassign1.ok
new file mode 100644
index 00000000..c5ade3b3
--- /dev/null
+++ b/test/badassign1.ok
@@ -0,0 +1,3 @@
+gawk: badassign1.awk:1: BEGIN { $i++ = 3 ; print i }
+gawk: badassign1.awk:1: ^ cannot assign a value to the result of a field post-increment expression
+EXIT CODE: 1